LiveXP With Screenreader

i'm a blind man use a screen-reader called NVDA, all i need to make a live xp cd support audio driver and able to configure it with screen-reader to use it in repairing computers and able also to install windows throw it cause in boot no audio support.

i don't make such projects before so hope you help me.

1- could we make live xp from xpsp3 pro?

2- is it really can be configured to support audio drivers and make nvda work?

3- in case i've unattended xp or windows7 can i install it to pc from live-xp?